所屬科目:研究所、轉學考(插大)◆生物化學
20. 3' - Thiacytidine (3TC) can serve as a drug for HIV infections. Which is the correct structure of this compound? (A)(B)(C)(D)
25. Glucose, labeled with in different carbon atoms, is added to a crude extract of a tissue rich in the enzymes of the pentose phosphate pathway. The most rapid production of , will occur when the glucose is labeled in: (A) C-1 (B) C-3 (C)C-4 (D) C-5
28. If malonyl-CoA is synthesized from and unlabeled acetyl-CoA, and the labcled malonate is then used for fatty acid synthesis, the final product (fatty acid) will have radioactive carbon in: (A) every C. (B) every even-numbered C-atom. (C) only the omega-carbon atom (farthest carbon from C-1) (D) no part of the molecule.